Finding the Fourth Proportional to 62,314.78, 86,004.27 and 39,630.12

Step by Step Solution

1. Step 1: Write the proportion equation
   62,314.78 : 86,004.27 = 39,630.12 : x
2. Step 2: Convert to fraction form
   62,314.78/86,004.27 = 39,630.12/x
3. Step 3: Cross multiply
   62,314.78x = 86,004.27 × 39,630.12
4. Step 4: Simplify right side
   62,314.78x = 3,408,359,540.61
5. Step 5: Solve for x
   x = 3,408,359,540.61/62,314.78
6. Step 6: Final answer
   x = 54,695.84